Kenneth N. Waltz published a piece entitled “The Virtue of Adversity” in a two-part special issue of International Relations. The issue was entitled “The King of Thought: Theory, the Subject, and Waltz,” and it was published in celebration of the fiftieth anniversary of Waltz’s Man, the State, and War and the thirtieth anniversary of his Theory of International Politics.  The two parts were published in June and September 2009.